F4 Fiberglass
John JOhn (L) techflex am1 control series
f4 control series
The F4 is one of the most balanced templates we offer, making it one of the most popular in our lineup. This Control Series construction of fiberglass and uni-carbon is stiff and durable, making them ideal for controlling speed in heavy conditions. These fins fit into the 1 - 3 Ride Number range as the most Speed Controlling options in our line.
Small (105lbs - 155lbs) (48kg - 70kg)
side fins:
height: 4.37"
base: 4.22"
area: 14.22"
foil: flat
center fin:
height: 4.37"
base: 4.22"
area: 14.22"
foil: symmetrical
f4 control series
Control Series
The Control Series are the lightest fiberglass fins we’ve ever made! The addition of carbon fiber has allowed us to utilize a slimmer profile for less weight & drag without sacrificing control. Learn More
Control Series - Fiberglass Swatch
Flat foiled fins break free sooner, and are better at controlling speed. Often surfers prefer them in fast powerful surf where they do not need to create additional speed. If you have muscle memory from riding glass-ons, flat foiled fins will feel the closest.